MVR band drying system and drying method thereof
A technology of belt drying and belt dryer, applied in the MVR belt drying system and its drying field, to achieve the effects of low drying temperature, short heating time and improved heat utilization rate
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[0034] Example 1:
[0035] See figure 2 As shown, this embodiment provides an MVR belt drying system, which is particularly suitable for drying paste materials, but is not limited to drying paste materials. Specifically, the MVR belt drying system of this embodiment includes: a belt dryer DG and a feed and discharge unit connected to the belt dryer DG, an MVR circulation unit CY-1, a steam recirculation unit CY-2, and a waste heat recovery cycle Unit CY-3.
[0036] The feeding and discharging unit includes a feeding part which is connected to the belt dryer DG and is suitable for pre-processing the wet material M1 before entering the belt dryer DG, and is suitable for the dry material after being processed by the belt dryer DG M2 is the discharge part of post-processing. Among them, the feed part includes a preheater H1 suitable for preheating the wet material M1; the discharge part includes a heat exchange for the dry material M2 processed by the belt dryer DG to cool the dry ...
Example Embodiment
[0044] Example 2:
[0045] On the basis of the MVR belt drying system of embodiment 1, this embodiment provides an MVR belt drying method, adopting the MVR belt drying system of embodiment 1, specifically including:
[0046] Step S1: The belt dryer DG dries the wet material M1;
[0047] Step S2: The MVR circulation unit CY-1 recompresses part of the secondary steam produced by the belt dryer DG to form compressed steam and then enters the heating chamber of the belt dryer DG for recycling;
[0048] Step S3: The steam recirculation unit CY-2 recirculates part of the secondary steam generated by the belt dryer DG and then enters the drying chamber of the belt dryer DG for recycling;
[0049] Step S4: The waste heat recovery cycle unit CY-3 preheats and recovers the high temperature liquid condensate in the heating chamber of the belt dryer DG, and recovers the cooling heat of the dry material M2 dried by the belt dryer DG Reuse.
[0050] It should be noted that there is no absolute sequen...
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